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• If the NMEA 0183 device has only one output (transmit, TX)
wire (no A, B, +, or -), you must connect the RXB wire to
ground.
NMEA 0183 Device Connected with a Single Receive Wire
In this example, the NMEA 0183 device is receiving data from
the chartplotter.
Item
Description
Power source
Power/NMEA 0183 cable
NMEA 0183 device
Item Garmin Wire
Garmin Wire
Function
Color
Power
Red
Power ground
Black
TXA
Blue
TXB
Gray
NMEA 0183 Device Connected with a Single Transmit Wire
In this example, the NMEA 0183 device is sending data to the
chartplotter.
Item
Description
Power source
Power/NMEA 0183 cable
NMEA 0183 device
Item Garmin Wire
Garmin Wire
Function
Color
Power
Red
Power ground
Black
RXB
Violet
RXA
Brown
NMEA 0183 and Power Cable Pinout
Wire Function
Wire Color
NMEA RXA
Brown
NMEA TXA
Blue
NMEA RXB
Violet
NMEA TXB
Gray
Wire Function
Alarm
Accessory on
Ground (shield)
VIN
Lamp and Horn Connections
The device can be used with a lamp, a horn, or both, to sound or
flash an alert when the chartplotter displays a message. This is
optional, and the alarm wire is not necessary for the device to
function normally. When connecting the device to a lamp or
horn, observe these considerations.
• The alarm circuit switches to a low-voltage state when the
• The maximum current is 1 A, and a relay is needed to limit
• To manually toggle visual and audible alerts, you can install
NMEA 0183 Device
Wire Function
Power
Power ground
RXA
Not applicable
Item Description
Item
Composite Video Considerations
This chartplotter allows video input from composite video
NMEA 0183 Device
sources using the port labeled CVBS IN. When connecting
Wire Function
composite video, you should observe these considerations.
Power
• The CVBS IN port uses a BNC connector. You can use a
Power ground
Not applicable
TXA
• Video is shared across the Garmin Marine Network, but it is
Specifications
Model
Ten-inch
models
Twelve-inch
models
Pin Number
Wire Color
Yellow
Orange
Black
Red
alarm sounds.
the current from the chartplotter to 1 A.
single-pole, single-throw switches.
Power source
Power cable
Horn
Lamp
Relay (1 A coil current)
Toggle switches to enable and disable lamp or horn alerts
Wire Color
Red
Black
Yellow
BNC to RCA adapter to connect a composite-video source
with RCA connectors to the CVBS IN port.
not shared across the NMEA 2000 network.
Specification
Dimensions (W x H x
D)
Display size (W x H)
Dimensions (W x H x
D)
Display size (W x H)
Pin Number
Wire Function
Power
Ground
Alarm
Measurement
316.8 x 185.2 x 68.5 mm (12
5
11
7
/
x 2
/
in.)
16
16
3
222.7 x 125.3 mm (8
/
x 4
4
15
/
in.)
16
358.8 x 226.8 x 68.5 mm (14
15
11
8
/
x 2
/
in.)
16
16
5
262.1 x 164.2 mm (10
/
x 6
16
7
/
in.)
16
1
/
x
2
1
/
x
8
5
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